ἀφοριστέον
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
A one must reject, Arist.EN 1097b34. II one must define or assign, Ph.Bel.92.49, Iamb.Myst. 2.1, Dam.Pr.448; one must separate, τί τινος Gal.9.379, cf. Plot.6.3.1.
